Quaker Chemical (NYSE: KWR) CEO reports stock unit vesting, new RSU grant

Rhea-AI Filing Summary

Quaker Chemical CEO and President Joseph A. Berquist reported multiple equity-compensation transactions dated March 15, 2026. He acquired 3,377 shares of common stock through vesting and settlement of restricted stock units, performance stock units, and dividend equivalent rights, all converting one-for-one into common shares.

Berquist also received a new grant of 11,143 time-based restricted stock units as a long-term incentive award. To cover withholding taxes on these vestings, 1,623 shares of common stock were surrendered at a value of $118.45 per share. Following these transactions, he directly holds 15,393 common shares and indirectly holds 274 shares through a 401(k) plan.

Insider Trade Summary

3,377 shares exercised/converted

Mixed 12 txns

Insider BERQUIST JOSEPH A

Role CEO and President

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units	466	$0.00	--
Exercise	Restricted Stock Units	462	$0.00	--
Exercise	Restricted Stock Units	2,387	$0.00	--
Exercise	Dividend Equivalent Rights	62	$0.00	--
Grant/Award	Restricted Stock Units	11,143	$0.00	--
Grant/Award	Common Stock	1,396	$0.00	--
Exercise	Common Stock	466	$0.00	--
Exercise	Common Stock	462	$0.00	--
Exercise	Common Stock	2,387	$0.00	--
Exercise	Common Stock	62	$0.00	--
Tax Withholding	Common Stock	1,623	$118.45	$192K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Units — 466 shares (Direct); Dividend Equivalent Rights — 0 shares (Direct); Common Stock — 13,639 shares (Direct); Common Stock — 274 shares (Indirect, By 401(k))

Footnotes (1)

1. Shares earned upon vesting and settlement of Performance Stock Units (PSUs) awarded on March 15, 2023, upon certification of performance results by the Compensation and Human Resources Committee based on achievement of the adjusted return on invested capital (ROIC) metric, during the three year performance period. Restricted stock units (RSUs) convert into common stock on a one-for-one basis. Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024 (two grants) and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grants and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock. Shares surrendered by reporting person to satisfy withholding tax obligations upon the full or partial vesting of certain restricted stock, PSUs, and RSUs previously granted under the Company's Long-Term Performance Incentive Plan. Information based on reporting person's Plan Statement as of December 31, 2025. On March 15, 2024, the reporting person was granted 1,398 time-based RSUs and 1,386 special time-based RSUs, with both awards vesting in three equal installments beginning on March 15, 2025. On March 15, 2025, the reporting person was granted 7,161 time-based RSUs, vesting in three annual installments beginning on March 15, 2026. Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

BERQUIST JOSEPH A

(Last) (First) (Middle)

901 E. HECTOR STREET

(Street)

CONSHOHOCKEN PA 19428-2380

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
QUAKER CHEMICAL CORP [ KWR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO and President

3. Date of Earliest Transaction (Month/Day/Year)
03/15/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/15/2026		A		1,396(1)	A	$0	13,639	D
Common Stock	03/15/2026		M		466	A	(2)	14,105	D
Common Stock	03/15/2026		M		462	A	(2)	14,567	D
Common Stock	03/15/2026		M		2,387	A	(2)	16,954	D
Common Stock	03/15/2026		M		62	A	(3)	17,016	D
Common Stock	03/15/2026		F		1,623(4)	D	$118.45	15,393	D
Common Stock								274(5)	I	By 401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(2)	03/15/2026		M			466	(6)	(6)	Common Stock	466	$0	466	D
Restricted Stock Units	(2)	03/15/2026		M			462	(6)	(6)	Common Stock	462	$0	462	D
Restricted Stock Units	(2)	03/15/2026		M			2,387	(7)	(7)	Common Stock	2,387	$0	4,774	D
Dividend Equivalent Rights	(3)	03/15/2026		M			62	(3)	03/15/2026	Common Stock	62	(3)	0	D
Restricted Stock Units	(8)	03/15/2026		A		11,143		(8)	(8)	Common Stock	11,143	$0	11,143	D

Explanation of Responses:

1. Shares earned upon vesting and settlement of Performance Stock Units (PSUs) awarded on March 15, 2023, upon certification of performance results by the Compensation and Human Resources Committee based on achievement of the adjusted return on invested capital (ROIC) metric, during the three year performance period.

2. Restricted stock units (RSUs) convert into common stock on a one-for-one basis.

3. Dividend equivalent rights (DERs) accrued on reporting person's RSUs granted on March 15, 2024 (two grants) and March 15, 2025. The rights accrued when and as dividends were paid on KWR common stock. This Form 4 reports the settlement of DERs in connection with the second installment of the 2024 RSU grants and the first installment of the 2025 RSU grant, each vesting on March 15, 2026. Each DER was the economic equivalent of one share of KWR common stock.

4. Shares surrendered by reporting person to satisfy withholding tax obligations upon the full or partial vesting of certain restricted stock, PSUs, and RSUs previously granted under the Company's Long-Term Performance Incentive Plan.

5. Information based on reporting person's Plan Statement as of December 31, 2025.

6. On March 15, 2024, the reporting person was granted 1,398 time-based RSUs and 1,386 special time-based RSUs, with both awards vesting in three equal installments beginning on March 15, 2025.

7. On March 15, 2025, the reporting person was granted 7,161 time-based RSUs, vesting in three annual installments beginning on March 15, 2026.

8. Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock.

Remarks:

	Victoria K. Gehris, Attorney-in-Fact for Joseph A. Berquist	03/17/2026
	** Signature of Reporting Person	Date
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FAQ

What insider transactions did Quaker Chemical (KWR) CEO Joseph A. Berquist report?

Joseph A. Berquist reported equity-compensation activity on March 15, 2026. He acquired 3,377 Quaker Chemical common shares via vesting and settlement of stock units and dividend equivalents, received 11,143 new restricted stock units, and surrendered 1,623 shares to satisfy tax-withholding obligations.

How many Quaker Chemical (KWR) shares did the CEO acquire through vesting and settlement?

Berquist acquired 3,377 Quaker Chemical common shares through vesting and settlement events. These came from restricted stock units, performance stock units, and dividend equivalent rights that convert one-for-one into common stock, reflecting routine long-term incentive compensation rather than open-market purchases or sales.

What new restricted stock unit grant did Quaker Chemical (KWR) make to its CEO?

Quaker Chemical granted Berquist 11,143 time-based restricted stock units on March 15, 2026. These RSUs were issued under the company’s Long-Term Performance Incentive Plan and represent a contingent right to receive common shares, with dividend equivalents accruing as dividends are paid on KWR stock.

Why were 1,623 Quaker Chemical (KWR) shares surrendered by the CEO?

1,623 shares of Quaker Chemical common stock were surrendered to cover tax-withholding obligations. The shares related to the full or partial vesting of previously granted restricted stock, performance stock units, and restricted stock units, and were valued at $118.45 per share for this withholding transaction.

What are the CEO’s Quaker Chemical (KWR) share holdings after these Form 4 transactions?

After these transactions, Berquist directly holds 15,393 Quaker Chemical common shares. He also indirectly holds 274 additional shares through a 401(k) plan, based on his plan statement as of December 31, 2025, providing a view of both direct and retirement-plan ownership.

How do dividend equivalent rights work in Quaker Chemical (KWR) equity awards?

Dividend equivalent rights accrued on Berquist’s restricted stock units granted in 2024 and 2025. These rights accumulated when dividends were paid on KWR stock and were settled into 62 common shares, with each right economically equivalent to one share of Quaker Chemical common stock.